Synonyms: Carbonicacid,4-(5,5a,6,8,8a,9-hexahydro-9-hydroxy-6-oxofuro[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-5-yl)-2,6-dimethoxyphenylphenylmethyl ester, [5R-(5a,5ab,8aa,9b)]-; Epipodophyllotoxin, 4'-demethyl-, 4'-(benzyl carbonate) (8CI);Furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxole, carbonic acid deriv.;4'-[(Benzyloxy)carbonyl]-4'-demethyl-4-epipodophyllotoxin